71.90.87.21

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
36% Elevated
8 reports
7 reporters · latest 12 hours ago
ISP
Charter Communications LLC
Usage Type
Fixed Line ISP
ASN
AS20115
Hostname(s)
syn-071-090-087-021.res.spectrum.com
Domain Name
charter.com
Country
🇺🇸 United States of America
City
Rosemount, Minnesota
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Abuse Reports

Total reports
8 from 7 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇳🇱 Netherlands 3 🇩🇪 Germany 2 🇬🇧 United Kingdom of Great Britain and Northern Ireland 1
Most common categories Brute-Force 4 Web App Attack 2 Email Spam 1 Hacking 1 Bad Web Bot 1
Recent reports We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.
Reporter IoA Timestamp (UTC) Comment Categories
🇳🇱 wlt-blocker
Attempts to login to mail server with wrong username and/or password
Brute-Force
🇷🇸 Smel
Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
Email Spam Hacking Brute-Force
🇩🇪 netclix.gr
(imapd) Failed IMAP login from 71.90.87.21 (US/United States/syn-071-090-087-021.res.spectrum.com)
Brute-Force
🇩🇪 nyuuzyou
Client failed challenge verification, marked as suspicious. HTTP request received over TCP on application ports 80/443. Observed 2026-11-01T21:14:27Z.
Bad Web Bot
🇳🇱 wlt-blocker
Attempts to login to mail server with wrong username and/or password
Brute-Force
🇬🇧 Aetherweb Ark
(mod_security) mod_security (id:949110) triggered by 71.90.87.21 (US/United States/syn-071-090-087-021.res.spectrum.com): N in the last X secs
Web App Attack
🇳🇱 Mangelot Hosting
Web App Attack
🇷🇺 DZBOT
SMTP. NO LOGIN / auth failed
Port Scan Brute-Force

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown

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